Finding the Fourth Proportional to 2,815,195.28, 4,202,190.77 and 2,418,386.00
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Solution
The fourth proportional to 2,815,195.28, 4,202,190.77 and 2,418,386.00 is: 3,609,880.78
Step by Step Solution
- Step 1: Write the proportion equation
2,815,195.28 : 4,202,190.77 = 2,418,386.00 : x - Step 2: Convert to fraction form
2,815,195.28/4,202,190.77 = 2,418,386.00/x - Step 3: Cross multiply
2,815,195.28x = 4,202,190.77 × 2,418,386.00 - Step 4: Simplify right side
2,815,195.28x = 10,162,519,348,583.13 - Step 5: Solve for x
x = 10,162,519,348,583.13/2,815,195.28 - Step 6: Final answer
x = 3,609,880.78
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.